Which four "e" situations does the sympathetic nervous system experience?

The four "E" situations that the sympathetic nervous system experience are listed as follows:

1. Exercise

2. Emergency

3. Excitement

4. Embarrassment

Visualizing the changes that occur in the body during these four "E situations" gives a vivid picture of most of the sympathetic responses.

D. The continental shelf is an extension of the continent under the ocean water.

Explanation:

A continental shelves are the part of a continent that  extends underwater.